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patency

[peyt-n-see, pat-]
noun
  1. the state of being patent.
  2. Medicine/Medical. the condition of not being blocked or obstructed.
  3. Phonetics. openness of articulation, found more or less in all phonemes except stops.
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Origin of patency

First recorded in 1650–60; pat(ent) + -ency
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for patency

patency

noun
  1. the condition of being obvious
  2. the state of a bodily passage, duct, etc, of being open or unobstructed
  3. phonetics the degree to which the vocal tract remains unobstructed in the articulation of a speech soundSee also closure (def. 7)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for patency

n.

1650s, from patent + -cy.

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Online Etymology Dictionary, © 2010 Douglas Harper

patency in Medicine

patency

(pātn-sē)
n.
  1. The state or quality of being open, expanded, or unblocked.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.